EP3257877A1 - Terpolymères propylène-éthylène-butylène nucléés et articles moulés faits à partir de ceux-ci - Google Patents
Terpolymères propylène-éthylène-butylène nucléés et articles moulés faits à partir de ceux-ci Download PDFInfo
- Publication number
- EP3257877A1 EP3257877A1 EP16174821.5A EP16174821A EP3257877A1 EP 3257877 A1 EP3257877 A1 EP 3257877A1 EP 16174821 A EP16174821 A EP 16174821A EP 3257877 A1 EP3257877 A1 EP 3257877A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ethylene
- butylene
- terpolymer
- nucleated propylene
- propylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 propylene-ethylene-butylene Chemical group 0.000 title claims abstract description 65
- 229920001897 terpolymer Polymers 0.000 title claims abstract description 65
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005977 Ethylene Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 27
- 239000011954 Ziegler–Natta catalyst Substances 0.000 claims description 15
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 11
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000008096 xylene Substances 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 150000003021 phthalic acid derivatives Chemical class 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 18
- 239000011777 magnesium Substances 0.000 description 37
- 229910052749 magnesium Inorganic materials 0.000 description 33
- 239000003054 catalyst Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 27
- 229920000642 polymer Polymers 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 239000000243 solution Substances 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 14
- 101100494773 Caenorhabditis elegans ctl-2 gene Proteins 0.000 description 12
- 101100112369 Fasciola hepatica Cat-1 gene Proteins 0.000 description 12
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 12
- 101100005271 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cat-1 gene Proteins 0.000 description 12
- 239000000839 emulsion Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 150000002736 metal compounds Chemical class 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 7
- UVGKQRAGAYVWQV-UHFFFAOYSA-N 2,3-dimethylbutan-2-yl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C(C)(C)C(C)C UVGKQRAGAYVWQV-UHFFFAOYSA-N 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
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- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 6
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 5
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- 239000004743 Polypropylene Substances 0.000 description 5
- 229910003074 TiCl4 Inorganic materials 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
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- 239000000463 material Substances 0.000 description 5
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- JWCYDYZLEAQGJJ-UHFFFAOYSA-N dicyclopentyl(dimethoxy)silane Chemical compound C1CCCC1[Si](OC)(OC)C1CCCC1 JWCYDYZLEAQGJJ-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- NETBVGNWMHLXRP-UHFFFAOYSA-N tert-butyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C(C)(C)C NETBVGNWMHLXRP-UHFFFAOYSA-N 0.000 description 4
- 150000003623 transition metal compounds Chemical class 0.000 description 4
- YWEWWNPYDDHZDI-JJKKTNRVSA-N (1r)-1-[(4r,4ar,8as)-2,6-bis(3,4-dimethylphenyl)-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C1=C(C)C(C)=CC=C1C1O[C@H]2[C@@H]([C@H](O)CO)OC(C=3C=C(C)C(C)=CC=3)O[C@H]2CO1 YWEWWNPYDDHZDI-JJKKTNRVSA-N 0.000 description 3
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 101100208039 Rattus norvegicus Trpv5 gene Proteins 0.000 description 3
- 150000004703 alkoxides Chemical class 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
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- 150000005690 diesters Chemical class 0.000 description 3
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- 238000001746 injection moulding Methods 0.000 description 3
- 150000002681 magnesium compounds Chemical class 0.000 description 3
- YHNWUQFTJNJVNU-UHFFFAOYSA-N magnesium;butane;ethane Chemical compound [Mg+2].[CH2-]C.CCC[CH2-] YHNWUQFTJNJVNU-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
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- 239000012429 reaction media Substances 0.000 description 3
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- 239000002904 solvent Substances 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- FMZUHGYZWYNSOA-VVBFYGJXSA-N (1r)-1-[(4r,4ar,8as)-2,6-diphenyl-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C([C@@H]1OC(O[C@@H]([C@@H]1O1)[C@H](O)CO)C=2C=CC=CC=2)OC1C1=CC=CC=C1 FMZUHGYZWYNSOA-VVBFYGJXSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 description 2
- OHJYHAOODFPJOD-UHFFFAOYSA-N 2-(2-ethylhexoxy)ethanol Chemical compound CCCCC(CC)COCCO OHJYHAOODFPJOD-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
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- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 150000002688 maleic acid derivatives Chemical class 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
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- 239000011949 solid catalyst Substances 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
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- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- CHMCAIRITMOPFF-CGXNFDGLSA-N (3R,4S,5R,6S)-3-methyl-1,8-diphenylocta-1,7-diene-2,3,4,5,6,7-hexol Chemical compound C[C@@](C(O)=CC1=CC=CC=C1)(O)[C@@H](O)[C@H](O)[C@H](O)C(O)=CC1=CC=CC=C1 CHMCAIRITMOPFF-CGXNFDGLSA-N 0.000 description 1
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- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- FNWASOQFCKPKQZ-UHFFFAOYSA-N 1,3,7,9-tetratert-butyl-11-hydroxy-5h-benzo[d][1,3,2]benzodioxaphosphocine Chemical compound C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP(O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C FNWASOQFCKPKQZ-UHFFFAOYSA-N 0.000 description 1
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- QCHZUINRDLKKJX-UHFFFAOYSA-N 1-n,3-n,5-n-tritert-butylbenzene-1,3,5-tricarboxamide Chemical compound CC(C)(C)NC(=O)C1=CC(C(=O)NC(C)(C)C)=CC(C(=O)NC(C)(C)C)=C1 QCHZUINRDLKKJX-UHFFFAOYSA-N 0.000 description 1
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- 229910019142 PO4 Inorganic materials 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
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- 125000003545 alkoxy group Chemical group 0.000 description 1
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- KXDANLFHGCWFRQ-UHFFFAOYSA-N magnesium;butane;octane Chemical compound [Mg+2].CCC[CH2-].CCCCCCC[CH2-] KXDANLFHGCWFRQ-UHFFFAOYSA-N 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
Definitions
- the present invention relates to nucleated propylene-ethylene-butylene-terpolymers comprising monomer units selected from propylene, butylene, and ethylene and showing improved stiffness, better impact behaviour and improved optical properties as well as low haze, and low amounts of soluble or extractable fractions.
- the present invention further relates to final articles made of such nucleated propylene-ethylene-butylene-terpolymers and the use of such nucleated propylene-ethylene-butylene-terpolymers.
- Polymers like polypropylene, are increasingly used in different demanding applications. At the same time there is a continuous search for tailored polymers which meet the requirements of these applications.
- Polymers with higher stiffness can be converted to articles with lower wall thickness, allowing material and energy savings.
- Polymers with good optical properties, especially low haze, are desired for consumer related articles to provide good "see-through” properties on the content of the packed goods.
- Polymers with good impact behaviour are also desired in consumer related articles to safely keep the content even when dropped.
- Stiffness can for instance be improved by increasing the crystallinity and/or the relative amount of homopolymer within the composition. As a consequence, the material becomes more brittle, thereby resulting in poor impact properties and/or worse optical properties.
- Impact behaviour or optical properties can be improved by increasing the comonomer content. As a consequence the material will become softer and loose on stiffness. Thus impact or optical properties such as haze behave in a conflicting manner to stiffness.
- a polymer with increased content of comonomer(s) will have a higher amount of soluble or extractable fractions. So impact and optical behaviour behave also in a conflicting manner to soluble content or extractability in the sense of Xylene solubles (XCS).
- XCS Xylene solubles
- the optomechanical ability can be determined by multiplying Flexural Modulus and notched impact strength and putting this product in relation to haze determined on 1 mm plaques.
- OMA Flex Modulus MPa * NIS kJ m 2 Haze 1 mm %
- a Ziegler-Natta catalyst in particular a high yield Ziegler-Natta catalyst (so called fourth and fifth generation type to differentiate from low yield, so called second generation Ziegler-Natta catalysts), which comprises a catalyst component, a cocatalyst component and an internal donor based on phthalate-compositions.
- phthalate-free polypropylene suitable for various applications, e.g. in the field of packaging and medical applications as well as personal care, or personal hygiene.
- WO 2012007430 also incorporated herein by reference, is one example of a limited number of patent applications, describing phthalate free catalysts based on citraconate as internal donor.
- WO2016025326 provides formulations and processes for random terpolymers having a xylene solubles content between 5 - 8 wt.-% which may be used for preparing extrusion blow molded and thermoformed articles. It gives some improvements of gloss and top load especially on bottles. The patent however is not concerned with low extractability in the sense of low xylene solubles or improving the transparency in the sense of haze.
- EP 15171769 filed 12.06.2015 is a process application for copolymerization of C3 and higher alpha-olefins (C4/C6), co- and terpolymers with phthalate free Sirius catalyst in the Borstar PP process.
- An MFR of 1 - 50 g/10min is combined with C4-C8 4.5-14 wt% & optionally C2 0.5-3.0 wt%, the target application are films.
- EP 15174579 filed 30.06.2015 describes the use of ZN-PP catalysts and tert-alkyl-methoxysilanes for propylene-butylene co- and terpolymers.
- WO2015101593 A1 relates to a process for producing C4 terpolymers for film applications and aiming for lower seal initiation temperature.
- EP 2350147 A1 covers propylene copolymers with at least butene as comonomer for pipes.
- the polymers are based on a single-site catalyst.
- the present inventors have now surprisingly identified a nucleated propylene-ethylene-butylene-terpolymer, which show improved impact behaviour, lower haze, lower amounts of extractable fractions, improved ratios of stiffness to haze performance as well as improved optomechanical ability.
- the present invention concerns a nucleated propylene-ethylene-butylene-terpolymer which
- the present invention in a special embodiment deals with nucleated propylene-ethylene-butylene terpolymers characterised by an optomechanical ability (OMA) of at least 400.
- OMA optomechanical ability
- the present invention in a special embodiment deals with nucleated propylene-ethylene-butylene terpolymers characterised by an ratio of Flexural Modulus Haze of at least 80.
- the present invention in another special embodiment deals with injection moulded articles, made out of the nucleated propylene-ethylene-butylene-terpolymer.
- the present invention in a further special embodiment deals with packaging articles, made out of the nucleated propylene-ethylene-butylene-terpolymer, e.g. thin walled containers.
- the present inventions in a further special embodiment deals with articles used for alimentary, medical or diagnostic applications made out of the nucleated propylene-ethylene-butylene-terpolymer.
- the present inventions deals with use of the nucleated propylene-ethylene-butylene terpolymer in medical, diagnostic, household or alimentary applications.
- the amount of ethylene in the nucleated propylene-ethylene-butylene-terpolymer is at most 5.0 wt.-%, or below like 3.5 wt.-% or below such as 2.5 wt.-%, 2.0 wt.-% or 1.5 wt.-% or below.
- the amount of ethylene in the nucleated propylene-ethylene-butylene-terpolymer can be at least 0.1 wt.-% or above, like 0.3; 0.5 wt.-%, 0.8 wt.-% or higher, such as 1.0 wt.-% or higher.
- the amount of ethylene in the nucleated propylene-ethylene-butylene-terpolymer is in the range of 0.5 - 3.5 wt.-%, such as 0.5 - 2.5 wt.-%, especially 0.5 - 1.5 wt.-%.
- the amount of butylene in the nucleated propylene-ethylene-butylene-terpolymer is at most 12.0 wt.-% or below, such as 11.0 wt.-%, or 9.5 wt.-% or 8.0 wt.-% or below.
- the amount of butylene in the nucleated propylene-ethylene-butylene-terpolymer is at least 2.5 wt.-% or higher, such as 3.5 wt.-% or 4.5 wt.-% or higher. Especially preferred is an amount of butylene of at least 6.0 wt.-% or higher, such as 7.0 or 7.5 wt.-% or higher.
- the amount of butylene in the nucleated propylene-ethylene-butylene-terpolymer is in the range of 1.0 - 12 wt.-%, such as 2.5 - 11.0 wt.-% or 3.5 - 9.5 wt.-%.
- ranges for butylene of 4.5 - 7.5 wt.-%, 7.5 - 12.0 wt.-%; 4.5 - 9.5 wt.-%; 6.0 - 9.5 wt.-% or 7.5 - 9.5 wt.-%.
- nucleated propylene-ethylene-butylene-terpolymers comprising 0.5 - 1.5 wt.-% of ethylene and butylene in the following ranges:
- nucleated propylene-ethylene-butylene-terpolymers of the present inventions are random terpolymers. It is meant herein that the comonomers are distributed randomly along the polymer chain.
- the MFR 230°C/2.16kg of the nucleated propylene-ethylene-butylene-terpolymer can be preferably 100 g/10 min or below, such as 50.0 g/10 min or below, like 35.0 g/10min, 28.0 g/10 min or 22.0 g/10 min or below.
- the MFR of the nucleated propylene-ethylene-butylene-terpolymer is preferably at least 3.0 g/10min or higher, such as 5.0 g/10 min or higher.
- nucleated propylene-ethylene-butylene terpolymers with MFRs in the range of 3 - 50 g/10min, such as 3 - 35 g/10min, or 5.0 - 28.0 g/10min or 5.0 - 22.0 g/10 min.
- the amount of xylene cold soluble fraction of the nucleated propylene-ethylene-butylene terpolymer according to the current invention is below 5.0 wt.-% , such as 4.7 wt.-% or 4.0 wt.-% or below.
- nucleated propylene-ethylene-butylene terpolymers with an XCS-level of at most 3.5 wt.-% or below.
- the Notched Impact Strength NIS according to IS0179/1eA at +23°C of the present nucleated propylene-ethylene-butylene terpolymer is at least 5.0 kJ/m 2 or above, such as 5.7 kJ/m 2 ; 6.4 kJ/m 2 ; or 7.1 kJ/m 2 or above.
- nucleated propylene-ethylene-butylene terpolymers having a NIS of at least 7.8 kJ/m 2 or above.
- a reasonable upper limit for the NIS is 50 kJ/m 2 .
- the Flexural Modulus according to ISO 178 of the nucleated propylene-ethylene-butylene terpolymers of the current invention is at least 850 MPa, such as 950 MPa or 1000 MPa, 1060 MPa or above, like 1100 MPa or 1170 MPa or higher.
- a reasonable upper limit for the Flexural Modulus is 2000 MPa.
- the Haze determined on 1 mm injection moulded plaques can be ⁇ 16.0 %, such as 14.0 % or 12.5 or 11.5 % or below.
- haze-values of the nucleated propylene-ethylene-butylene terpolymer in the range of 11.0 % or lower such as 10.0 or 9.0 or below.
- the nucleated propylene-ethylene-butylene terpolymer of the present invention is characterised by a pronounced balance of stiffness to optical properties, expressed by the ratio of Flexural Modulus to Haze (Flex/Haze)
- This Flex/Haze ratio is at least 80 or higher, such as 85 or 90 or 95 or higher.
- nucleated propylene-ethylene-butylene terpolymers with a Flex/Haze ratio of at least 100 or higher.
- Optomechanical ability is understood as the ratio of mechanical (impact times flexural) behaviour, to optical performance, namely haze, wherein the mechanical properties are targeted to be as high as possible and the optical performance is desired to be as low as possible.
- OMA Flex Modulus MPa * NIS kJ m 2 Haze 1 mm %
- the optomechanical ability is at least 400 or higher, such as 470, 520 or 570 or higher. Preferably it is at least 600, such as 650, 700, or 740 or above.
- nucleated propylene-ethylene-butylene terpolymer of the present invention which have
- nucleated propylene-ethylene-butylene terpolymer of the present invention which have
- the polymer of the present invention can be produced by any known polymerisation process, regardless whether these are single-stage or multi-stage processes, such as slurry or gas phase processes.
- a preferred process is a "loop-gas phase"-process , such as developed by Borealis A/S, Denmark (known as BORSTAR® technology) is described e.g. in patent literature, such as in EP 0 887 379 , WO 92/12182 WO 2004/000899 , WO 2004/111095 , WO 99/24478 , WO 99/24479 or in WO 00/68315 .
- a further suitable slurry-gas phase process is the Spheripol® process of LyondellBasell Industries.
- a possible catalyst for being used in the production of the nucleated polypropylene composition is described herein:
- the Ziegler-Natta catalyst (ZN-C) can be further defined by the way as obtained. Accordingly, the Ziegler-Natta catalyst (ZN-C) is preferably obtained by a process comprising the steps of
- the internal donor (ID) or precursor thereof is thus added preferably to the solution of step a) or to the transition metal compound before adding the solution of step a).
- the Ziegler-Natta catalyst (ZN-C) can be obtained via precipitation method or via emulsion- solidification method depending on the physical conditions, especially temperature used in steps b) and c).
- Emulsion is also called in this application liquid/liquid two-phase system.
- step c In precipitation method combination of the solution of step a) with at least one transition metal compound (TC) in step b) is carried out and the whole reaction mixture is kept at least at 50 °C, more preferably in the temperature range of 55 to 110 °C, more preferably in the range of 70 to 100 °C, to secure full precipitation of the catalyst component in form of a solid particles (step c).
- step b) the solution of step a) is typically added to the at least one transition metal compound (TC) at a lower temperature, such as from -10 to below 50°C, preferably from -5 to 30°C. During agitation of the emulsion the temperature is typically kept at -10 to below 40°C, preferably from -5 to 30°C. Droplets of the dispersed phase of the emulsion form the active catalyst composition. Solidification (step c) of the droplets is suitably carried out by heating the emulsion to a temperature of 70 to 150°C, preferably to 80 to 110°C.
- the catalyst prepared by emulsion - solidification method is preferably used in the present invention.
- step a) the solution of a 2 ) or a 3 ) are used, i.e. a solution of (Ax') or a solution of a mixture of (Ax) and (Bx), especially the solution of a 2 ).
- the Group 2 metal (MC) is magnesium.
- the magnesium alkoxy compounds as defined above can be prepared in situ in the first step of the catalyst preparation process, step a), by reacting the magnesium compound with the alcohol(s) as described above, or said magnesium alkoxy compounds can be separately prepared magnesium alkoxy compounds or they can be even commercially available as ready magnesium alkoxy compounds and used as such in the catalyst preparation process of the invention.
- alcohols (A) are glycol monoethers.
- Preferred alcohols (A) are C 2 to C 4 glycol monoethers, wherein the ether moieties comprise from 2 to 18 carbon atoms, preferably from 4 to 12 carbon atoms.
- Preferred examples are 2-(2-ethylhexyloxy)ethanol, 2-butyloxy ethanol, 2-hexyloxy ethanol and 1,3-propylene-glycol-monobutyl ether, 3-butoxy-2-propanol, with 2-(2-ethylhexyloxy)ethanol and 1,3-propylene-glycol-monobutyl ether, 3-butoxy-2-propanol being particularly preferred.
- Illustrative monohydric alcohols (B) are of formula ROH, with R being straight-chain or branched C 2 -C 16 alkyl residue, preferably C 4 to C 10 , more preferably C6 to C 8 alkyl residue.
- the most preferred monohydric alcohol is 2-ethyl-1-hexanol or octanol.
- a mixture of Mg alkoxy compounds (Ax) and (Bx) or mixture of alcohols (A) and (B), respectively, are used and employed in a mole ratio of Bx:Ax or B:A from 10:1 to 1:10, more preferably 6:1 to 1:6, most preferably 4.1 to 1:4.
- Magnesium alkoxy compound may be a reaction product of alcohol(s), as defined above, and a magnesium compound selected from dialkyl magnesium, alkyl magnesium alkoxides, magnesium dialkoxides, alkoxy magnesium halides and alkyl magnesium halides. Further, magnesium dialkoxides, magnesium diaryloxides, magnesium aryloxyhalides, magnesium aryloxides and magnesium alkyl aryloxides can be used.Alkyl groups can be a similar or different C 1 -C 20 alkyl, preferably C 2 -C 10 alkyl.
- Typical alkyl-alkoxy magnesium compounds when used, are ethyl magnesium butoxide, butyl magnesium pentoxide, octyl magnesium butoxide and octyl magnesium octoxide.
- the dialkyl magnesium are used.
- Most preferred dialkyl magnesium are butyl octyl magnesium or butyl ethyl magnesium.
- magnesium compound can react in addition to the alcohol (A) and alcohol (B) also with a polyhydric alcohol (C) of formula R" (OH) m to obtain said magnesium alkoxide compounds.
- Preferred polyhydric alcohols are alcohols, wherein R" is a straight-chain, cyclic or branched C 2 to C 10 hydrocarbon residue, and m is an integer of 2 to 6.
- the magnesium alkoxy compounds of step a) are thus selected from the group consisting of magnesium dialkoxides, diaryloxy magnesium, alkyloxy magnesium halides, aryloxy magnesium halides, alkyl magnesium alkoxides, aryl magnesium alkoxides and alkyl magnesium aryloxides. In addition a mixture of magnesium dihalide and a magnesium dialkoxide can be used.
- the solvents to be employed for the preparation of the present catalyst may be selected among aromatic and aliphatic straight chain, branched and cyclic hydrocarbons with 5 to 20 carbon atoms, more preferably 5 to 12 carbon atoms, or mixtures thereof.
- Suitable solvents include benzene, toluene, cumene, xylene, pentane, hexane, heptane, octane and nonane. Hexanes and pentanes are particular preferred.
- the reaction for the preparation of the magnesium alkoxy compound may be carried out at a temperature of 40° to 70°C. Most suitable temperature is selected depending on the Mg compound and alcohol(s) used.
- the transition metal compound of Group 4 to 6 is preferably a titanium compound, most preferably a titanium halide, like TiCl 4 .
- the internal donor (ID) used in the preparation of the catalyst used in the present invention is preferably selected from (di)esters of non-phthalic carboxylic (di)acids, 1,3-diethers, derivatives and mixtures thereof.
- Especially preferred donors are diesters of mono-unsaturated dicarboxylic acids, in particular esters belonging to a group comprising malonates, maleates, succinates, citraconates, glutarates, cyclohexene-1,2-dicarboxylates and benzoates, and any derivatives and/or mixtures thereof.
- Preferred examples are e.g. substituted maleates and citraconates, most preferably citraconates.
- the two phase liquid-liquid system may be formed by simple stirring and optionally adding (further) solvent(s) and additives, such as the turbulence minimizing agent (TMA) and/or the emulsifying agents and/or emulsion stabilizers, like surfactants, which are used in a manner known in the art for facilitating the formation of and/or stabilize the emulsion.
- surfactants are acrylic or methacrylic polymers.
- Particular preferred are unbranched C 12 to C 20 (meth)acrylates such as poly(hexadecyl)-methacrylate and poly(octadecyl)-methacrylate and mixtures thereof.
- Turbulence minimizing agent if used, is preferably selected from ⁇ -olefin polymers of ⁇ -olefin monomers with 6 to 20 carbon atoms, like polyoctene, polynonene, polydecene, polyundecene or polydodecene or mixtures thereof. Most preferable it is polydecene.
- the solid particulate product obtained by precipitation or emulsion - solidification method may be washed at least once, preferably at least twice, most preferably at least three times with an aromatic and/or aliphatic hydrocarbons, preferably with toluene, heptane or pentane and or with TiCl 4 . Washing solutions can also contain donors and/or compounds of Group 13, like trialkyl aluminum, halogenated alky aluminum compounds or alkoxy aluminum compounds. Aluminum compounds can also be added during the catalyst synthesis.
- the catalyst can further be dried, as by evaporation or flushing with nitrogen, or it can be slurried to an oily liquid without any drying step.
- the finally obtained Ziegler-Natta catalyst is desirably in the form of particles having generally an average particle size range of 5 to 200 ⁇ m, preferably 10 to 100. Particles are compact with low porosity and have surface area below 20 g/m 2 , more preferably below 10 g/m 2 . Typically the amount of Ti is 1 to 6 wt-%, Mg 10 to 20 wt-% and donor 10 to 40 wt-% of the catalyst composition.
- the Ziegler-Natta catalyst is preferably used in association with an alkyl aluminum cocatalyst and optionally external donors.
- an external donor is preferably present.
- Suitable external donors include certain silanes, ethers, esters, amines, ketones, heterocyclic compounds and blends of these. It is especially preferred to use a silane.
- silanes are:
- the nucleated propylene-ethylene-butylene terpolymer of the present invention is preferably alpha-nucleated and comprises nucleating agents, preferably alpha-nucleating agents.
- the nucleating agent comprised by the nucleated propylene-ethylene-butylene terpolymer of the present invention is preferably a alpha-nucleating agent or clarifying agent.
- nucleating present in the nucleated propylene-ethylene-butylene terpolymer of the current invention can be selected from the group consisting of:
- moulded article is intended to encompass articles that are produced by any conventional moulding technique, e.g. injection moulding, stretch moulding, compression moulding, rotomoulding or injection stretch blow moulding.
- the term is not intended to encompass articles that are produced by casting or extrusion, such as extrusion blow moulding. Thus the term is not intended to include films or sheets.
- Articles produced by injection moulding, stretch moulding, or injection stretch blow moulding are preferred. Articles produced by injection moulding are especially preferred.
- the articles preferably are thin-walled articles having a wall thickness of 300 micrometer to 2 mm. More preferably the thin-walled articles have a wall thickness of 300 micrometer to 1400 micrometer, and even more preferably the thin-walled articles have a wall thickness of 300 micrometer to 900 micrometer.
- the articles of the current invention can be containers, such as cups, buckets, beakers, trays or parts of such articles, such as see-through-windows, lids, or the like.
- the articles of the current invention are especially suitable for containing food, especially frozen food, such as ice-cream, frozen liquids, sauces, pre-cooked convenience products, and the like. packaging.
- Articles of the current invention are also suitable for medical or diagnostic purposes, such as syringes, beaker, pipettes, etc.
- MFR 2 (230 °C) is measured according to ISO 1133 (230 °C, 2.16 kg load).
- the content of 1-butene was measured by quantitative Fourier transform infrared spectroscopy (FTIR), on films having a thickness of between 260 and 300 ⁇ m.
- FTIR quantitative Fourier transform infrared spectroscopy
- Spectra have been recorded in transmission mode. Relevant instrument settings include a spectral window of 5000 to 400 wave-numbers (cm-1), a resolution of 2.0 cm-1 and 16 scans.
- the butene content of the propylene-butene copolymers was determined using the baseline corrected peak maxima of a quantitative band at 767 cm-1, with the baseline defined from 1945 to 625 cm-1.
- the comonomer content was determined using the baseline corrected peak maxima of the quantitative bands at 767 cm-1 for butene and at 732 cm-1 for ethylene with the baseline defined from 1945 to 625 cm-1.
- Xylene Cold Soluble fraction at room temperature (XCS, wt.-%) is determined at 25 °C according to ISO 16152; 5 th edition; 2005-07-01.
- the flexural modulus was determined in 3-point-bending at 23°C according to ISO 178 on 80x10x4 mm 3 test bars injection moulded in line with EN ISO 1873-2.
- the Charpy notched impact strength (NIS) was measured according to ISO 179 1 eA at +23 °C, using injection moulded bar test specimens of 80x10x4 mm 3 prepared in accordance with ISO 294-1:1996.
- Optomechanical ability is understood as the ratio of mechanical (especially impact and flexural) behaviour, to optical performance, namely haze, wherein the mechanical properties are targeted to be as high as possible and the optical performance is desired to be as low as possible.
- OMA Flex Modulus MPa * NIS kJ m 2 Haze 1 mm %
- the mixture of polymer and additives was then extruded to pellets by using a PRISM TSE 16, L/D ratio of screw is 25 extruder under nitrogen atmosphere and final polymer properties were measured.
- the catalyst was filtered from the liquid and washed six times with 300 ml heptane at 80 °C. Then, the catalyst was filtered and dried. Catalyst and its preparation concept is described in general e.g. in patent publications EP491566 , EP591224 and EP586390 . Ti content in the catalyst component was 1.9 wt-%.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP16174821.5A EP3257877B1 (fr) | 2016-06-16 | 2016-06-16 | Terpolymères propylène-éthylène-butylène nucléés et articles moulés faits à partir de ceux-ci |
CN201780037362.XA CN109689706B (zh) | 2016-06-16 | 2017-06-12 | 成核丙烯-乙烯-丁烯三元共聚物以及由其制成的成型制品 |
RU2018143325A RU2701732C1 (ru) | 2016-06-16 | 2017-06-12 | Новые нуклеированные пропилен-этилен-бутиленовые терполимеры и изготовленные из них литые изделия |
US16/305,755 US10982028B2 (en) | 2016-06-16 | 2017-06-12 | Nucleated propylene-ethylene-butylene terpolymers and moulded articles made thereof |
PCT/EP2017/064256 WO2017216091A2 (fr) | 2016-06-16 | 2017-06-12 | Nouveaux terpolymères de propylène-éthylène-butylène nucléés et articles moulés fabriqués à partir de ceux-ci |
BR112018076056-0A BR112018076056B1 (pt) | 2016-06-16 | 2017-06-12 | Terpolímero de propileno-etileno-butileno nucleado, artigo moldado e uso |
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EP16174821.5A EP3257877B1 (fr) | 2016-06-16 | 2016-06-16 | Terpolymères propylène-éthylène-butylène nucléés et articles moulés faits à partir de ceux-ci |
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EP3257877A1 true EP3257877A1 (fr) | 2017-12-20 |
EP3257877B1 EP3257877B1 (fr) | 2023-10-04 |
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EP (1) | EP3257877B1 (fr) |
CN (1) | CN109689706B (fr) |
BR (1) | BR112018076056B1 (fr) |
RU (1) | RU2701732C1 (fr) |
WO (1) | WO2017216091A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020099562A1 (fr) | 2018-11-15 | 2020-05-22 | Borealis Ag | Composition |
EP4029914A1 (fr) | 2021-01-14 | 2022-07-20 | Borealis AG | Composition de polyoléfine hétérophasique |
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GB2075993A (en) * | 1980-04-21 | 1981-11-25 | Sumitomo Chemical Co | Catalytic process for producing propylene block copolymers |
WO1986005794A1 (fr) * | 1985-04-01 | 1986-10-09 | Uss Engineers And Consultants, Inc. | Production de terpolymeres |
EP0491566A2 (fr) | 1990-12-19 | 1992-06-24 | Borealis A/S | Procédé de modification de catalyseurs de polymérisation d'oléfines |
WO1992012182A1 (fr) | 1990-12-28 | 1992-07-23 | Neste Oy | Procede de production de polyethylene en plusieurs etapes |
EP0586390A1 (fr) | 1991-05-09 | 1994-03-16 | Neste Oy | Polyolefine a gros grains, production de cette polyolefine et procatalyseur contenant un produit de transesterification entre un alcool inferieur et du dioctylphtalate utilise a cet effet. |
EP0591224A1 (fr) | 1991-05-09 | 1994-04-13 | Borealis A/S | Procatalyseur pour la polymerisation d'olefines contenant un produit de transesterification entre un alcool inferieur et un ester d'acide phtalique |
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- 2017-06-12 US US16/305,755 patent/US10982028B2/en active Active
- 2017-06-12 BR BR112018076056-0A patent/BR112018076056B1/pt active IP Right Grant
- 2017-06-12 CN CN201780037362.XA patent/CN109689706B/zh active Active
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020099562A1 (fr) | 2018-11-15 | 2020-05-22 | Borealis Ag | Composition |
US11873397B2 (en) | 2018-11-15 | 2024-01-16 | Borealis Ag | Heterophasic polyolefin composition |
EP4029914A1 (fr) | 2021-01-14 | 2022-07-20 | Borealis AG | Composition de polyoléfine hétérophasique |
Also Published As
Publication number | Publication date |
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RU2701732C1 (ru) | 2019-10-01 |
US20190263948A1 (en) | 2019-08-29 |
CN109689706B (zh) | 2022-02-18 |
CN109689706A (zh) | 2019-04-26 |
WO2017216091A2 (fr) | 2017-12-21 |
WO2017216091A3 (fr) | 2018-03-22 |
EP3257877B1 (fr) | 2023-10-04 |
US10982028B2 (en) | 2021-04-20 |
BR112018076056A2 (pt) | 2019-03-26 |
BR112018076056B1 (pt) | 2022-08-23 |
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